CNC STUB REAMERS — CARBIDE TIPPED

LEFT SPIRAL FLUTES

TYPE 2440 — LEFT SPIRAL FLUTES

Flute long carbide tipped.
Polished flutes for high volume chip flow.
Flute long carbide on .2841" tool diameter and larger.
Straight shanks fit into standard holders.
Pin cross holes permit use in pin drive floating holders.
Carbide tips brazed to one piece hardened tool steel bodies.
Cutting diameter tolerance plus .0003" minus .0000".

OPTIONS

Decimal & metric sizes (priced as indicated in extended table below).
Cutting diameter reduced for small steps or pilot.
Radius end or end chamfer other than 45ยบ.
End cutting.
Semi-finished Type 2430 & Type 2440 in stock
Closer tolerance.
For +.0002" add $1.00 per tool.
For +.0001" add $3.00 per tool.


Below are the critical dimensions of our Stub Length Reamers. Please choose the Reamers that meets your tooling needs.
Tool
Diameter
Dimensions Type 2440
EDP NO.
Price Finished To Modified Tool Diameter
Diameter No. of Flutes Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Shank Pin Hole Flute Carbide Overall Low High 1 2 3 4 5-7 8-14*
   3/16  .1875    1/    3/32 4            1/  1/ 244006 $44.00  .1770  .2040 $76.20 $60.05 $54.65 $52.10 $49.30 $47.10
   7/32  .2188    1/    3/32 4            1/  1/ 244007 44.00  .2041  .2210 76.20 60.05 54.65 52.10 49.30 47.10
  15/64  .2344    1/    3/32 4            1/  1/ 24402344 44.00  .2211  .2380 76.20 60.05 54.65 52.10 49.30 47.10
   1/  .2500    1/    3/32 4            1/  1/ 244008 44.00  .2381  .2530 76.20 60.05 54.65 52.10 49.30 47.10
   9/32  .2813    3/    1/ 4            1/  1/ 244009 44.00  .2531  .2840 76.20 60.05 54.65 52.10 49.30 47.10
   5/16  .3125    3/    1/ 4                  1/ 244010 51.10  .2841  .3150 83.35 67.15 61.80 59.20 56.40 54.25
  11/32  .3438    3/    1/ 4  1/  1/  1/ 244011 51.50  .3151  .3470 83.80 67.70 62.20 59.70 56.85 54.70
   3/  .3750    3/    1/ 4  1/  1/  1/ 244012 55.90  .3471  .3780 88.20 72.05 66.60 64.00 61.20 59.05
  13/32  .4063    1/    3/16 4  1/  1/  1/ 244013 56.70  .3781  .4090 89.05 72.75 67.40 64.80 62.05 59.90
   7/16  .4375    1/    3/16 4  1/  1/  1/ 244014 67.10  .4091  .4410 99.45 83.25 77.80 75.30 72.50 70.35
  15/32  .4688    1/    3/16 4  1/  1/  1/ 244015 67.10  .4411  .4720 99.45 83.25 77.80 75.30 72.50 70.35
   1/  .5000    1/    3/16 4  1/  1/  1/ 244016 73.45  .4721  .5030 106.65 90.05 84.50 81.85 78.95 76.75
  17/32  .5313    5/    1/ 6  1/  1/         244017 73.45  .5031  .5340 106.65 90.05 84.50 81.85 78.95 76.75
   9/16  .5625    5/    1/ 6  1/  1/         244018 77.45  .5341  .5660 110.50 93.95 88.35 85.75 82.85 80.60
  19/32  .5938    5/    1/ 6  1/  1/         244019 77.45  .5661  .5970 110.50 93.95 88.35 85.75 82.85 80.60
   5/  .6250    5/    1/ 6  1/  1/         244020 79.50  .5971  .6280 112.70 96.05 90.45 87.80 84.95 82.75
  21/32  .6563    5/    1/ 6  1/  1/         244021 79.50  .6281  .6590 112.70 96.05 90.45 87.80 84.95 82.75
  11/16  .6875    5/    1/ 6  1/  1/         244022 83.20  .6591  .6910 116.30 99.70 94.20 91.50 88.65 86.45
  23/32  .7188    3/    5/16 6  1/  1/         244023 83.20  .6911  .7220 116.30 99.70 94.20 91.50 88.65 86.45
   3/  .7500    3/    5/16 6  1/  1/         244024 85.35  .7221  .7530 118.40 101.85 96.25 93.60 90.80 88.55
  25/32  .7813    3/    5/16 6  1/  1/         244025 85.35  .7531  .7840 118.40 101.85 96.25 93.60 90.80 88.55
  13/16  .8125    3/    5/16 6  1/  1/         244026 92.65  .7841  .8160 125.80 109.25 103.60 101.00 98.15 95.95
  27/32  .8438    3/    5/16 6  1/  1/         244027 92.65  .8161  .8470 125.80 109.25 103.60 101.00 98.15 95.95
   7/  .8750    3/    5/16 6  1/  1/         244028 101.25  .8471  .8780 135.70 118.35 112.60 109.85 106.95 104.60
  29/32  .9063    3/    5/16 6  1/  1/         244029 101.25  .8781  .9090 135.70 118.35 112.60 109.85 106.95 104.60
  15/16  .9375    3/    5/16 6  1/  1/         244030 111.50  .9091  .9410 145.90 128.70 122.90 120.15 117.20 114.90
  31/32  .9688    3/    5/16 8  1/  1/         244031 111.50  .9411  .9720 145.90 128.70 122.90 120.15 117.20 114.90
        1.0000    3/    5/16 8  1/  1/         244032 116.95  .9721 1.0030 151.40 134.20 128.40 125.65 122.65 120.35
 1/16 1.0625    3/    5/16 8  1/  1/         244034 116.95 1.0031 1.0660 151.40 134.20 128.40 125.65 122.65 120.35
 1/ 1.1250    3/    5/16 8  1/  1/         244036 136.95 1.0661 1.1280 171.35 154.05 148.30 145.60 142.60 140.30
 3/16 1.1875    3/    5/16 8  1/  1/         244038 142.75 1.1281 1.1905 177.20 159.95 154.10 151.40 148.45 146.10
 1/ 1.2500    3/    5/16 8  1/  1/         244040 167.20 1.1906 1.2530 201.65 184.45 178.70 175.90 173.00 170.65
 5/16 1.3125    3/    5/16 8  1/  1/         244042 167.20 1.2531 1.3155 201.65 184.45 178.70 175.90 173.00 170.65
 3/ 1.3750    3/    5/16 8  1/  1/         244044 169.65 1.3156 1.3780 204.05 186.80 181.10 178.30 175.45 173.10
 7/16 1.4375    3/    5/16 8  1/  1/         244046 197.75 1.3781 1.4405 232.20 214.90 209.20 206.40 203.45 201.20
 1/ 1.5000    3/    5/16 8  1/  1/         244048 237.50 1.4406 1.5030 271.90 254.70 248.95 246.20 243.15 240.85
* Quantities of 15 or more - price of fractional size in same size range
Don't see the Stub Length Reamers you need?
If the above dimensions do not meet your specific Stub Length Reamers needs we may be able to make modifications to one of the above Stub Length Reamers or we can quote a full special to your exact requirements. Simply click here to view and print our special tool quote form. Fill it out and fax (800-867-9312) it back to Rock River Tool. We will let you know how we will provide the Stub Length Reamers you requested.
Thank you for using Rock River Tool for your Stub Length Reamers needs.